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123122001 = 3389105503
BaseRepresentation
bin1110101011010…
…11000101010001
322120200020122010
413111223011101
5223004401001
620114533133
73023343162
oct725530521
9276606563
10123122001
1163554422
12352971a9
131c67ac72
14124cd769
15ac208d6
hex756b151

123122001 has 8 divisors (see below), whose sum is σ = 164586240. Its totient is φ = 81869552.

The previous prime is 123121997. The next prime is 123122009. The reversal of 123122001 is 100221321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123122001 - 22 = 123121997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123122009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51585 + ... + 53918.

It is an arithmetic number, because the mean of its divisors is an integer number (20573280).

Almost surely, 2123122001 is an apocalyptic number.

It is an amenable number.

123122001 is a deficient number, since it is larger than the sum of its proper divisors (41464239).

123122001 is a wasteful number, since it uses less digits than its factorization.

123122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105895.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 123122001 is about 11096.0353730510. The cubic root of 123122001 is about 497.4833555874.

Adding to 123122001 its reverse (100221321), we get a palindrome (223343322).

It can be divided in two parts, 1231 and 22001, that added together give a palindrome (23232).

The spelling of 123122001 in words is "one hundred twenty-three million, one hundred twenty-two thousand, one".

Divisors: 1 3 389 1167 105503 316509 41040667 123122001